On 2/7/22 17:15, Yang Li wrote:
> Eliminate the follow smatch warning:
> drivers/scsi/pm8001/pm8001_ctl.c:760 pm8001_update_flash() warn:
> inconsistent indenting
>
> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx>
> ---
>
> Changes in v2:
> --According to Damien's suggestion
> 1) Start multi-line comments with a line that has only "/*".
> 2) Align the conditions together to make this code more readable.
> 3) Using a local variable for value which is calculated too many times.
>
> drivers/scsi/pm8001/pm8001_ctl.c | 61 ++++++++++++++++----------------
> 1 file changed, 31 insertions(+), 30 deletions(-)
>
> diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
> index 41a63c9b719b..0d9533ba8d27 100644
> --- a/drivers/scsi/pm8001/pm8001_ctl.c
> +++ b/drivers/scsi/pm8001/pm8001_ctl.c
> @@ -727,6 +727,8 @@ static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha)
> u32 sizeRead = 0;
> u32 ret = 0;
> u32 length = 1024 * 16 + sizeof(*payload) - 1;
> + u32 fc_len = 0;
I think that the "= 0" is not needed.
> + u8 *read_buf;
>
> if (pm8001_ha->fw_image->size < 28) {
> pm8001_ha->fw_status = FAIL_FILE_SIZE;
> @@ -755,36 +757,35 @@ static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha)
> fwControl->retcode = 0;/* OUT */
> fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */
>
> - /* for the last chunk of data in case file size is not even with
> - 4k, load only the rest*/
> - if (((loopcount-loopNumber) == 1) &&
> - ((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) {
> - fwControl->len =
> - (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE;
> - memcpy((u8 *)fwControl->buffer,
> - (u8 *)pm8001_ha->fw_image->data + sizeRead,
> - (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE);
> - sizeRead +=
> - (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE;
> - } else {
> - memcpy((u8 *)fwControl->buffer,
> - (u8 *)pm8001_ha->fw_image->data + sizeRead,
> - IOCTL_BUF_SIZE);
> - sizeRead += IOCTL_BUF_SIZE;
> - }
> -
> - pm8001_ha->nvmd_completion = &completion;
> - ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload);
> - if (ret) {
> - pm8001_ha->fw_status = FAIL_OUT_MEMORY;
> - goto out;
> - }
> - wait_for_completion(&completion);
> - if (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS) {
> - pm8001_ha->fw_status = fwControl->retcode;
> - ret = -EFAULT;
> - goto out;
> - }
> + /*
> + * for the last chunk of data in case file size is
> + * not even with 4k, load only the rest
> + */
> +
> + fc_len = (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE;
I would move this line down, right above the "if" where the variable is
used.
> + read_buf = (u8 *)pm8001_ha->fw_image->data + sizeRead;
> +
> + if (((loopcount-loopNumber) == 1) && fc_len) {
While at it, please add spaces around the "-" and remove the unnecessary
parenthesis:
if (loopcount - loopNumber == 1 && fc_len) {
> + fwControl->len = fc_len;
> + memcpy((u8 *)fwControl->buffer, read_buf, fc_len);
> + sizeRead += fc_len;
> + } else {
> + memcpy((u8 *)fwControl->buffer, read_buf, IOCTL_BUF_SIZE);
> + sizeRead += IOCTL_BUF_SIZE;
> + }
> +
> + pm8001_ha->nvmd_completion = &completion;
> + ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload);
> + if (ret) {
> + pm8001_ha->fw_status = FAIL_OUT_MEMORY;
> + goto out;
> + }
> + wait_for_completion(&completion);
> + if (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS) {
> + pm8001_ha->fw_status = fwControl->retcode;
> + ret = -EFAULT;
> + goto out;
> + }
> }
> }
> out:
With that fixed, looks good.
Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
--
Damien Le Moal
Western Digital Research
